What is the difference between this and a standard Natural Gas orifice

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Engineered for a seamless fit into Warrick conductivity fittings

The Nordyne 626375R is a critical manual reset rollout switch designed for Nortek

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Cleveland Controls AFS-460-136 Switch 30067439-890 What is the difference betweenThe Cleveland Controls AFS 460 136 is a professional grade air pressure sensing switch designed for critical airflow proving applications in commercial HVAC and energy management systems. This field adjustable unit features a DPDT (Double Pole Double Throw) relay configuration, providing versatile switching logic for 120V to 277VAC circuits. Engineered for precision, it monitors positive, negative, or differential pressure across a range of 0. 40" 0.